Work vehicle specification change system, work vehicle specification change method, and work vehicle specification change program

1. A work vehicle specification change system comprising: an in-vehicle device of a work vehicle; an information input to receive a specification change request in a free text format to change a specification of the in-vehicle device of the work vehicle, the specification change request being sent from an operation device on which an input operation is performed by a user driving the work vehicle; a specification update information generator configured to generate specification update information, based on the specification change request; and an information output to transmit the specification update information to the work vehicle; wherein the in-vehicle device includes: a multifunctional operation tool to be operated by the user; and an equipment operation device including an equipment controller to, based on an operation signal generated through operation of the multifunctional operation tool, generate a control signal to control equipment of the work vehicle; and a plurality of signal conversion relationships between the operation signal and the control signal are stored in a signal conversion table, and by providing the specification update information, a signal conversion relationship used in the equipment operation device is changed and a specification of the multifunctional operation tool is changed.

2. The work vehicle specification change system according to claim 1, further comprising: a specification change limitation manager to manage a specification change limitation indicating limitation on a specification change of the in-vehicle device; wherein the specification update information generator is configured or programmed to generate the specification update information, using the specification change limitation as a limitation.

3. The work vehicle specification change system according to claim 1, further comprising: a specification change request processor to create specification change feature data, using a feature term or phrase selected from the specification change request by an expert; wherein the specification update information generator is configured or programmed to generate the specification update information, based on the specification change feature data.

4. The work vehicle specification change system according to claim 3, further comprising: a term or phrase database including a request term or phrase used in the specification change request and the feature term or phrase used in the specification change feature data that are associated with each other; wherein the feature term or phrase is selected from the specification change request with reference to the term or phrase database.

5. The work vehicle specification change system according to claim 1, further comprising: a specification change request processor to generate specification change feature data from the specification change request; wherein the specification update information generator is configured or programmed to generate the specification update information based on the specification change feature data.

6. The work vehicle specification change system according to claim 5, wherein the specification change request processor is configured or programmed to include a natural language processing module that has been machine-learned to output the specification change feature data in response to the specification change request being input.

7. The work vehicle specification change system according to claim 5, wherein the specification update information generator is configured or programmed to include a specification update parameter generation module that has been machine-learned to output a specification update parameter serving as the specification update information in response to the specification change feature data being input.

8. The work vehicle specification change system according to claim 7, further comprising: a specification information manager to manage segmented specification data obtained by segmenting a changeable portion of the specification of the in-vehicle device; wherein the segmented specification data of the in-vehicle device that is to be subjected to specification update is used to generate the specification change feature data.

9. The work vehicle specification change system according to claim 7, further comprising: a specification update history database to store a specification update history of the user; wherein the specification update history of the user that has been extracted from the specification update history database is used to generate the specification change feature data.

10. The work vehicle specification change system according to claim 5, wherein the specification update information generator is configured or programmed to based on the specification change feature data: generate a specification update parameter group to define a specification update; and generate, from the specification update parameter group, an update program to change the specification of the in-vehicle device as the specification update information.

11. The work vehicle specification change system according to claim 1, wherein the specification update information generator is included in a cloud computing system capable of data communication with either or both of a controller of the work vehicle and a portable terminal of the user.

12. A work vehicle specification change method for changing a specification of an in-vehicle device of a work vehicle, the in-vehicle device including a multifunctional operation tool to be operated by a user, and an equipment operation device including an equipment controller to, based on an operation signal generated through operation of the multifunctional operation tool, generate a control signal to control equipment of the work vehicle, the method comprising: an information input step of receiving a specification change request in a free text format to change the specification of the in-vehicle device of the work vehicle, the specification change request being sent from an operation device on which an input operation is performed by the user driving the work vehicle; a specification update information generation step of generating specification update information, based on the specification change request in the free text format; an information output step of transmitting the specification update information to the work vehicle; and a step that by providing the specification update information to a signal conversion table in which a plurality of signal conversion relationships between the operation signal and the control signal are stored, a signal conversion relationship used in the equipment operation device is changed and a specification of the multifunctional operation tool is changed.

13. A non-transitory computer-readable medium for changing a specification of an in-vehicle device of a work vehicle, the in-vehicle device including a multifunctional operation tool to be operated by a user, and an equipment operation device including an equipment controller to, based on an operation signal generated through operation of the multifunctional operation tool, generate a control signal to control equipment of the work vehicle, the non-transitory computer-readable medium including a work vehicle specification change program configured to cause a computer to execute: an information input step of receiving a specification change request in a free text format to change the specification of then in-vehicle device of the work vehicle, the specification change request being sent from an operation device on which an input operation is performed by the user driving the work vehicle; a specification update information generation step of generating specification update information, based on the specification change request in the free text format; an information output step of transmitting the specification update information to the work vehicle; and a step that by providing the specification update information to a signal conversion table in which a plurality of signal conversion relationships between the operation signal and the control signal are stored, a signal conversion relationship used in the equipment operation device is changed and a specification of the multifunctional operation tool is changed.